The Dubuque Symphony Orchestra is a non-union, fully professional orchestra located in Dubuque, Iowa. It serves the residents of Dubuque and the surrounding tri-state area of Iowa, Illinois and Wisconsin. Under Music Director William Intriligator, approximately 60 professional musicians perform a repertoire of classical, chamber, opera, pops and education concerts each year. The DSO performs an average of 12 different concerts a year with a total of 25 performances.